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Cheap flights from Washington, D.C. Dulles Intl Airport to Brussels from $277

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. Dulles Intl Airport to Brussels departing on 9/20. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Washington, D.C. Dulles Intl Airport to Brussels

Cheap round-trip flights

Scandinavian Airlines Logo
8:30 pm - 6:40 pmIAD-BRU
16h 10m2 stops
Scandinavian Airlines Logo
10:20 am - 5:15 pmBRU-IAD
12h 55m1 stop
$445Scandinavian Airlines
Find Deal
Wed, Jan 21 - Thu, Jan 29
Scandinavian Airlines Logo
10:05 pm - 6:15 pmIAD-BRU
15h 10m2 stops
Scandinavian Airlines Logo
9:40 pm - 7:50 pmBRU-IAD
27h 10m2 stops
$448Scandinavian Airlines
Find Deal
Sat, Oct 25 - Fri, Oct 31
Scandinavian Airlines Logo
10:05 pm - 6:20 pmIAD-BRU
14h 15m2 stops
Scandinavian Airlines Logo
7:00 pm - 7:59 pmBRU-IAD
30h 59m2 stops
$449Scandinavian Airlines
Find Deal
Tue, Oct 7 - Wed, Oct 15
Scandinavian Airlines Logo
10:05 pm - 2:30 pmIAD-BRU
11h 25m1 stop
Scandinavian Airlines Logo
9:40 pm - 7:50 pmBRU-IAD
27h 10m2 stops
$451Scandinavian Airlines
Find Deal
Sat, Oct 25 - Fri, Oct 31
Scandinavian Airlines Logo
10:05 pm - 12:00 pmIAD-BRU
31h 55m2 stops
Scandinavian Airlines Logo
10:55 am - 7:59 pmBRU-IAD
39h 04m2 stops
$452Scandinavian Airlines
Find Deal
Sun, Sep 14 - Wed, Oct 1
Scandinavian Airlines Logo
10:05 pm - 3:20 pmIAD-BRU
11h 15m1 stop
Scandinavian Airlines Logo
8:30 pm - 5:15 pmBRU-IAD
26h 45m1 stop
$455Scandinavian Airlines
Find Deal
Mon, Oct 20 - Tue, Nov 11
Scandinavian Airlines Logo
10:05 pm - 10:15 amIAD-BRU
30h 10m2 stops
Scandinavian Airlines Logo
7:20 pm - 5:15 pmBRU-IAD
27h 55m2 stops
$456Scandinavian Airlines
Find Deal
Mon, Oct 20 - Tue, Nov 11
Scandinavian Airlines Logo
10:05 pm - 10:15 amIAD-BRU
30h 10m2 stops
Scandinavian Airlines Logo
10:20 am - 7:59 pmBRU-IAD
15h 39m1 stop
$457Scandinavian Airlines
Find Deal
Mon, Sep 15 - Mon, Sep 22
Logo
10:20 pm - 10:55 pmIAD-CRL
18h 35m2 stops
Logo
5:15 pm - 8:50 pmCRL-IAD
33h 35m2 stops
$605
Find Deal
Tue, Oct 7 - Wed, Oct 15
Logo
5:45 pm - 5:45 pmIAD-CRL
18h 00m2 stops
Logo
6:50 pm - 8:50 pmCRL-IAD
32h 00m2 stops
$617
Find Deal
Sun, Oct 12 - Tue, Oct 21

Scandinavian Airlines flights from Washington, D.C. Dulles Intl Airport to Brussels

Our best Scandinavian Airlines deals on Washington, D.C. Dulles Intl Airport to Brussels flight tickets
Scandinavian Airlines
Jan 21
IAD8:30 pmWashington, D.C. Dulles Intl
16h 10m
2 stops
BRU6:40 pmBrussels Bruxelles-National
Jan 29
BRU10:20 amBrussels Bruxelles-National
12h 55m
1 stop
IAD5:15 pmWashington, D.C. Dulles Intl
$445
Find similar
Scandinavian Airlines
Oct 25
IAD10:05 pmWashington, D.C. Dulles Intl
15h 10m
2 stops
BRU6:15 pmBrussels Bruxelles-National
Oct 31
BRU9:40 pmBrussels Bruxelles-National
27h 10m
2 stops
IAD7:50 pmWashington, D.C. Dulles Intl
$448
Find similar
Scandinavian Airlines
Oct 7
IAD10:05 pmWashington, D.C. Dulles Intl
14h 15m
2 stops
BRU6:20 pmBrussels Bruxelles-National
Oct 15
BRU7:00 pmBrussels Bruxelles-National
30h 59m
2 stops
IAD7:59 pmWashington, D.C. Dulles Intl
$449
Find similar

Icelandair flights from Washington, D.C. Dulles Intl Airport to Brussels

Our best Icelandair deals on Washington, D.C. Dulles Intl Airport to Brussels flight tickets
Icelandair
Aug 12
IAD8:30 pmWashington, D.C. Dulles Intl
10h 20m
1 stop
BRU12:50 pmBrussels Bruxelles-National
Aug 19
BRU1:50 pmBrussels Bruxelles-National
14h 20m
1 stop
IAD10:10 pmWashington, D.C. Dulles Intl
$544
Find similar
Icelandair
Aug 14
IAD11:15 pmWashington, D.C. Dulles Intl
31h 35m
1 stop
BRU12:50 pmBrussels Bruxelles-National
Aug 21
BRU1:50 pmBrussels Bruxelles-National
11h 30m
1 stop
IAD7:20 pmWashington, D.C. Dulles Intl
$547
Find similar
Icelandair
Aug 14
IAD11:15 pmWashington, D.C. Dulles Intl
31h 35m
1 stop
BRU12:50 pmBrussels Bruxelles-National
Aug 26
BRU1:50 pmBrussels Bruxelles-National
14h 20m
1 stop
IAD10:10 pmWashington, D.C. Dulles Intl
$550
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. Dulles Intl Airport to Brussels that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated August 1, 2025.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Brussels that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Brussels

IAD - BRU

IADBRU

Washington, D.C. Dulles Intl

Wed 1/21

8:30 pm-6:40 pm

2 stops16h 10m

Brussels Bruxelles-National

Thu 1/29

10:20 am-5:15 pm

1 stop12h 55m

$445

Washington, D.C.Brussels

IAD - BRU

IADBRU

Washington, D.C. Dulles Intl

Sat 10/25

10:05 pm-6:15 pm

2 stops15h 10m

Brussels Bruxelles-National

Fri 10/31

9:40 pm-7:50 pm

2 stops27h 10m

$448

Washington, D.C.Brussels

IAD - BRU

IADBRU

Washington, D.C. Dulles Intl

Tue 10/7

10:05 pm-6:20 pm

2 stops14h 15m

Brussels Bruxelles-National

Wed 10/15

7:00 pm-7:59 pm

2 stops30h 59m

$449

Washington, D.C.Brussels

IAD - BRU

IADBRU

Washington, D.C. Dulles Intl

Sat 10/25

10:05 pm-2:30 pm

1 stop11h 25m

Brussels Bruxelles-National

Fri 10/31

9:40 pm-7:50 pm

2 stops27h 10m

$451

Washington, D.C.Brussels

IAD - BRU

IADBRU

Washington, D.C. Dulles Intl

Sun 9/14

10:05 pm-12:00 pm

2 stops31h 55m

Brussels Bruxelles-National

Wed 10/1

10:55 am-7:59 pm

2 stops39h 04m

$452

Washington, D.C.Brussels

IAD - BRU

IADBRU

Washington, D.C. Dulles Intl

Mon 10/20

10:05 pm-3:20 pm

1 stop11h 15m

Brussels Bruxelles-National

Tue 11/11

8:30 pm-5:15 pm

1 stop26h 45m

$455

Washington, D.C.Brussels

IAD - BRU

IADBRU

Washington, D.C. Dulles Intl

Mon 10/20

10:05 pm-10:15 am

2 stops30h 10m

Brussels Bruxelles-National

Tue 11/11

7:20 pm-5:15 pm

2 stops27h 55m

$456

Washington, D.C.Brussels

IAD - BRU

IADBRU

Washington, D.C. Dulles Intl

Mon 9/15

10:05 pm-10:15 am

2 stops30h 10m

Brussels Bruxelles-National

Mon 9/22

10:20 am-7:59 pm

1 stop15h 39m

$457

Washington, D.C.Brussels

IAD - CRL

IADCRL

Washington, D.C. Dulles Intl

Tue 10/7

10:20 pm-10:55 pm

2 stops18h 35m

Charleroi Brussels

Wed 10/15

5:15 pm-8:50 pm

2 stops33h 35m

$605

Washington, D.C.Brussels

IAD - CRL

IADCRL

Washington, D.C. Dulles Intl

Sun 10/12

5:45 pm-5:45 pm

2 stops18h 00m

Charleroi Brussels

Tue 10/21

6:50 pm-8:50 pm

2 stops32h 00m

$617

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Brussels from

How to get the cheapest flight ticket from Washington, D.C. Dulles Intl Airport to Brussels

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Brussels?

In general, September is the cheapest month to fly from Washington, D.C. Dulles Intl Airport to Brussels. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $682. If you are unable to visit Brussels during the month of September, then departing from Washington, D.C. Dulles Intl Airport during the month January is also very affordable. Most momondo users find prices during this month for around $686.

What is the cheapest day to depart on your flight to Brussels?

On average, the least expensive day to fly to Brussels from Washington, D.C. Dulles Intl Airport is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as $1,043. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Monday is the most expensive day to depart from Washington, D.C. Dulles Intl Airport because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,243.

What is the cheapest time of day to depart on your flight to Brussels?

According to our data, the cheapest time of day to fly to Brussels is at noon. momondo users have found flights departing from Washington, D.C. Dulles Intl Airport to Brussels at noon for as low as $668. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights in the afternoon are often more expensive with an average ticket price of $1,162.

What is the cheapest Washington, D.C. Dulles Intl to Brussels flight route?

Fly from Washington, D.C. Dulles Intl to Brussels Bruxelles-National for the best Washington, D.C. Dulles Intl - Brussels flight prices

How far in advance should I book a flight to Brussels?

You are more likely to see cheaper flights to Brussels from Washington, D.C. Dulles Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Brussels for around $842 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Brussels from Washington, D.C. Dulles Intl Airport for as low as $666 on momondo.

What cabin class options are available on Washington, D.C. Dulles Intl to Brussels flights?

There are 3 cabin classes available to choose from on Washington, D.C. Dulles Intl to Brussels flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Cheap Washington, D.C. Dulles Intl Airport to Brussels flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. Dulles Intl Airport to Brussels

Best Price Found

$277

Fastest flight time

7h 30m

Direct flights

Every day

Airports in Brussels

2 airports
The best one-way flight to Brussels from Washington, D.C. Dulles Intl Airport in the past 72 hours is $277. The best round-trip flight deal from Washington, D.C. Dulles Intl Airport to Brussels found on momondo in the last 72 hours is $445.
The fastest flight from Washington, D.C. Dulles Intl Airport to Brussels takes 7h 30m
Direct flights go from Washington, D.C. Dulles Intl Airport to Brussels every day.
There are 2 airports near Brussels: Brussels Bruxelles-National (BRU), Charleroi Brussels (CRL)
Search flight deals

  • How far is Washington, D.C. Dulles Intl to Brussels by plane?

    There are 3874.4 mi between Washington, D.C. Dulles Intl and Brussels. Typically, this will take 10h 10m by plane in normal conditions.

  • When did momondo last update prices for flights from Washington, D.C. Dulles Intl Airport to Brussels?

    Prices for flights from Washington, D.C. Dulles Intl Airport to Brussels are refreshed on a daily basis.

  • How many operators does momondo search for flights from Washington, D.C. Dulles Intl Airport to Brussels?

  • How old do you have to be to fly from Washington, D.C. Dulles Intl Airport to Brussels?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. Dulles Intl Airport to Brussels.

  • What documentation or ID do you need to fly to Brussels?

    The necessary travel and health documents for your Brussels trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Washington, D.C. Dulles Intl Airport to Brussels

Compare and see reviews for airlines that fly from Washington, D.C. Dulles Intl Airport to Brussels with momondo
Airline
Rating
Free Cancellation
Price
PLAYPriceFrom $369Free CancellationRating
7.0
102 reviews
Search PLAY flights
Scandinavian AirlinesPriceFrom $402Free CancellationRating
7.3
1,457 reviews
Search Scandinavian Airlines flights
IcelandairPriceFrom $449Free CancellationRating
7.0
520 reviews
Search Icelandair flights
TAP AIR PORTUGALPriceFrom $492Free CancellationRating
7.1
1,933 reviews
Search TAP AIR PORTUGAL flights
KLMPriceFrom $496Free CancellationRating
7.8
1,383 reviews
Search KLM flights
British AirwaysPriceFrom $516Free CancellationRating
6.6
7,222 reviews
Search British Airways flights
Turkish AirlinesPriceFrom $552Free CancellationRating
7.3
3,933 reviews
Search Turkish Airlines flights
Aer LingusPriceFrom $564Free CancellationRating
7.1
1,192 reviews
Search Aer Lingus flights
United AirlinesPriceFrom $593Free CancellationRating
7.4
8,900 reviews
Search United Airlines flights
Brussels AirlinesPriceFrom $633Free CancellationRating
7.2
350 reviews
Search Brussels Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to Brussels?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Washington, D.C. to Brussels for you.

Can I find flights from Washington, D.C. to Brussels with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Washington, D.C. to Brussels flights to just show those with flexible booking policies.

How can momondo help me find flights from Washington, D.C. to Brussels?

momondo helps you find the best flight between Washington, D.C. and Brussels by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Washington, D.C. to Brussels right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Brussels from Washington, D.C.. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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Find better results for your trip to Belgium

Fly into one of these airports located in Brussels

Airports listed have a maximum distance of 27.4 mi from Brussels
Brussels Bruxelles-National Airport
Charleroi Brussels Airport